Hot air brush



FIG. 1 is a rear, left and bottom perspective view of a hot air brush, showing our new design;

FIG. 2 is a front, right and top perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is an enlarged top plan view thereof;

FIG. 8 is an enlarged bottom plan view thereof;

FIG. 9 is an enlarged view of portion “9” shown in FIG. 1 ; and,

FIG. 10 is an enlarged view of portion “10” shown in FIG. 2 .

The evenly-spaced broken lines illustrate portions of the article forming no part of the claimed design. The dot-dash broken lines illustrate enlarged view indicators and form no part of the claimed design, 

CLAIM The ornamental design for a hot air brush, as shown and described. 